Dec 17 20:38:38.519 INFO checking lnenad/image-to-ascii against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:38:38.519 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/lnenad/image-to-ascii:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:38:39.004 INFO [stdout] 9ee8c6f0bddf10908639b7940e7dd56992eba61ff71b0df878fa98536d4e5a29
Dec 17 20:38:39.010 INFO running `"docker" "start" "-a" "9ee8c6f0bddf10908639b7940e7dd56992eba61ff71b0df878fa98536d4e5a29"`
Dec 17 20:38:41.204 INFO [stderr]     Checking imagetoascii v0.1.0 (/opt/crater/workdir)
Dec 17 20:38:42.500 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:38:42.500 INFO [stderr]   --> src/main.rs:32:9
Dec 17 20:38:42.500 INFO [stderr]    |
Dec 17 20:38:42.500 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 17 20:38:42.500 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:38:42.500 INFO [stderr]    |
Dec 17 20:38:42.500 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:38:42.500 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:38:42.500 INFO [stderr] 
Dec 17 20:38:42.588 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:38:42.588 INFO [stderr]   --> src/main.rs:32:9
Dec 17 20:38:42.588 INFO [stderr]    |
Dec 17 20:38:42.588 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 17 20:38:42.588 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:38:42.588 INFO [stderr]    |
Dec 17 20:38:42.588 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:38:42.588 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:38:42.588 INFO [stderr] 
Dec 17 20:38:42.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 17 20:38:43.952 INFO running `"docker" "inspect" "9ee8c6f0bddf10908639b7940e7dd56992eba61ff71b0df878fa98536d4e5a29"`
Dec 17 20:38:44.174 INFO running `"docker" "rm" "-f" "9ee8c6f0bddf10908639b7940e7dd56992eba61ff71b0df878fa98536d4e5a29"`
Dec 17 20:38:44.525 INFO [stdout] 9ee8c6f0bddf10908639b7940e7dd56992eba61ff71b0df878fa98536d4e5a29